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Message: <blockquote data-quote="viewfinder" data-source="post: 20909" data-attributes="member: 1704">Apparently hardly anyone does wheel alignment at Service Center.  But there's no tire shop which does it per BMW spec that I am aware of in Penang (correct me if I am wrong).  Things I learned: <ul> <li data-xf-list-type="ul">The alignment machine follows BMW spec and calibrated by BMW M'sia</li> <li data-xf-list-type="ul">It prompts whether the car has active steering or not (surely there's reason behind this but I don't know why)</li> <li data-xf-list-type="ul">Each individual alignment sensor (1 per wheel) is attached to BMW original rim via 5 perfect fitting metal rods thru the 5 small holes in between the nut holes (refer to the rim picture someone posted in BMWCM forum).  Finally the purpose about those 5 small holes  is known.</li> <li data-xf-list-type="ul">The fitting above ensures that alignment is reference from the center hub instead of at the edge of each rim.  This ensures no margin of error be it the rim being imperfect or improper attachment of the sensors to the rims.  Apparently Benz standard spec alignment is done the same way too.</li> <li data-xf-list-type="ul">Weight ballast is placed inside car (back seat I think) to achieve a specific ride height while doing the alignment.</li> </ul>Result?  Have yet to really try it out.  But good to know it's done per specification and not some quick haphazard job at many tire shops.Anyone who has done the same alignment job, please share your experience before/after.http://www.bmwclubmalaysia.com/forums/attachment.php?attachmentid=8251&d=1236248148</blockquote>

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